CVE-2016-3288 in Internet Explorer
Summary
by MITRE
Microsoft Internet Explorer 11 allows remote attackers to execute arbitrary code via a crafted web page, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2016-3290.
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Analysis
by VulDB Data Team • 02/28/2025
Microsoft Internet Explorer 11 contains a memory corruption vulnerability that enables remote code execution when users visit malicious web pages. This vulnerability represents a critical security flaw in the browser's handling of memory operations during web page rendering and script execution processes. The issue manifests when Internet Explorer encounters specially crafted web content that triggers improper memory management behaviors, leading to potential code execution by remote attackers without user interaction. The vulnerability is particularly concerning because it affects the core browser functionality and can be exploited through standard web browsing activities.
The technical flaw stems from insufficient input validation and memory management within Internet Explorer's JavaScript engine and rendering components. When processing malformed or malicious web content, the browser fails to properly validate memory boundaries and object references, creating opportunities for attackers to manipulate memory layout and execute arbitrary code. This type of vulnerability typically falls under CWE-125, which describes out-of-bounds read conditions, and may also involve CWE-787, representing out-of-bounds write vulnerabilities. The memory corruption occurs during the parsing and execution of web content, particularly when handling complex JavaScript objects or manipulating DOM elements. Attackers can exploit this by crafting web pages that force the browser into executing malicious code through buffer overflows or memory overwrite conditions.
The operational impact of this vulnerability extends beyond simple remote code execution, as it provides attackers with a persistent foothold in target systems. Once successfully exploited, the vulnerability allows attackers to install malware, steal sensitive data, or establish backdoor access to affected systems. The attack vector is particularly dangerous because it requires no user interaction beyond visiting a malicious website, making it suitable for drive-by download attacks. Security researchers have classified this vulnerability as a zero-day exploit in many cases, as it can be leveraged for advanced persistent threat campaigns. The vulnerability affects organizations using Internet Explorer 11 as their primary browser, particularly those with legacy systems that cannot be easily updated or patched.
Mitigation strategies for this vulnerability include immediate deployment of Microsoft security patches and updates, which address the underlying memory corruption issues in the browser's rendering engine. Organizations should implement network-based protections such as web application firewalls and content filtering systems to block malicious web content before it reaches users. Browser hardening techniques including disabling unnecessary features, implementing strict security policies, and using sandboxing mechanisms can reduce the attack surface. Additionally, security teams should monitor for exploitation attempts through network traffic analysis and endpoint detection systems. According to ATT&CK framework, this vulnerability maps to T1059 for command and scripting interpreter and T1068 for exploit for privilege escalation, indicating the potential for further system compromise once initial access is gained. Regular security assessments and vulnerability scanning should be conducted to identify systems that may still be exposed to this threat.